1068468728 has 16 divisors (see below), whose sum is σ = 2006057760. Its totient is φ = 533520000.

The previous prime is 1068468727. The next prime is 1068468757. The reversal of 1068468728 is 8278648601.

It is a super-2 number, since 2×1068468728² = 2283250845427875968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068468727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82913 + ... + 94928.

It is an arithmetic number, because the mean of its divisors is an integer number (125378610).

Almost surely, 2^1068468728 is an apocalyptic number.

It is an amenable number.

1068468728 is a deficient number, since it is larger than the sum of its proper divisors (937589032).

1068468728 is a wasteful number, since it uses less digits than its factorization.

1068468728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178598 (or 178594 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 1068468728 is about 32687.4399119907. The cubic root of 1068468728 is about 1022.3209763831.

The spelling of 1068468728 in words is "one billion, sixty-eight million, four hundred sixty-eight thousand, seven hundred twenty-eight".